1130320228 has 12 divisors (see below), whose sum is σ = 2001893040. Its totient is φ = 558350792.

The previous prime is 1130320223. The next prime is 1130320271. The reversal of 1130320228 is 8220230311.

It is a junction number, because it is equal to n+sod(n) for n = 1130320199 and 1130320208.

It is not an unprimeable number, because it can be changed into a prime (1130320223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701958 + ... + 1702621.

It is an arithmetic number, because the mean of its divisors is an integer number (166824420).

Almost surely, 2^1130320228 is an apocalyptic number.

It is an amenable number.

1130320228 is a deficient number, since it is larger than the sum of its proper divisors (871572812).

1130320228 is a wasteful number, since it uses less digits than its factorization.

1130320228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404666 (or 3404664 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1130320228 is about 33620.2353947738. The cubic root of 1130320228 is about 1041.6788183443.

Adding to 1130320228 its reverse (8220230311), we get a palindrome (9350550539).

The spelling of 1130320228 in words is "one billion, one hundred thirty million, three hundred twenty thousand, two hundred twenty-eight".